MSR_ATOM_CORE_TURBO_RATIOS
err = rdmsrq_safe(MSR_ATOM_CORE_TURBO_RATIOS, turbo_freq);
rdmsrq(MSR_ATOM_CORE_TURBO_RATIOS, value);
get_msr(master_cpu, MSR_ATOM_CORE_TURBO_RATIOS, &msr);